html,
body,
div,
ul,
li,
p,
span,
a,
form,
input,
textarea,
button,
table,
tr,
h1,
h2,
h3,
h4,
h5,
td {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  font-family: '\5FAE\8F6F\96C5\9ED1', 'Microsoft Yahei', 'Hiragino Sans GB',
    tahoma, arial, '\5B8B\4F53';
}
html,
body,
#app {
  width: 100%;
  height: 100%;
  background: #f5f5f5;
  overflow: hidden;
}

a {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
}
a:hover,
a:focus {
  text-decoration: none;
}
ul,
li {
  list-style: none;
}
.clearfloat::before,
.clearfloat::after {
  content: '';
  height: 0;
  line-height: 0;
  display: block;
  visibility: hidden;
  clear: both;
}
.clearfloat:after {
  clear: both;
}
